{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1482860",
    "entityType": "User",
    "nonce": "0x1ea5e3260085c747b2c15175b84c3bd341367f9e41010eaa06c64287e1a77fce",
    "signature": "0x97de7f54534a7852260ca4a684c707c1d538876b79f2b3a55c9195d1070efdfa425bb0ba448a5aff4c83f9d6badf2914571df27d3eedd811730c1672baabdcb21b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}