{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "786563",
    "entityType": "User",
    "nonce": "0x1ef97f8889ca588d508ee6e514ee735ca8599ce424e53e539554e5fc1e9bc510",
    "signature": "0xf99355801d21ee56e0d0ba5fff8d05728b3c3fa0c578d3501882d1c015add73168bfcf933a0a093c4e536c714d2e063b583313669ae3b0b774a3d27366afb8351b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}