{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9660444",
    "entityType": "User",
    "nonce": "0x1e567b0c10c285fdd45d404b10920c0718bd88aee44132285c430ee4857261c9",
    "signature": "0xc1ca6bb38200e0edd68f5ce9af2d95890e7a7f4918eefa603ec0ce05e6a1b308021f6cd454d067300d7ab5e17d29ce8edac6166385c4864d369374a34af872c11c",
    "signer": "0x6015AC6ad37b0328C10a529E70348751FE8ffF41",
    "userId": "176201"
  }
}