{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x41efd61df04739c1c85c61488432cceb74f7871f8aceda5010d026cd78c85d24",
    "signature": "0x81965b0f649c963b1afa6466ccc02da7473e8d4c87f1d637583d342b83c6f813125a3f821736922793a7c94959def59fd0de05d92d30c9b0e0bfc7a63ae5d1451b",
    "signer": "0x8cEe7cae7F763BBa20970ab957A031A01df10A17",
    "userId": "6272954"
  }
}