{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "887242445",
    "entityType": "User",
    "nonce": "0xdb82ce6a45bdc36b9181e7e375bcbc9b7377d9d141be02568c069073ed5fa7bf",
    "signature": "0x9d5e127d9a4edd3a26484f57930ea9a64a7d458a25fae2862b73bebf27eeeb6864ed1162cd65884b3d72c8e10c560b30cc2ffd85ac2a8b01b09764697d947c0e1c",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}