{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "629530515",
    "entityType": "User",
    "nonce": "0xdf817c2b2622a29ff7ef8dd53af7bad57975f0e4a605aeafe77850d6bc00b2f5",
    "signature": "0x0092270c00da379deb2705ca966623ca641f961615e484496751f4cf66c78cda2d7649632e85a5f768edbc553a45f1eb544b54a688d9ec30cfacbe30b77dd9a01b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}