{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb804907598404829e208122354546f0d803ce3b31760c5b8950678efa605f7bc",
    "signature": "0x317c618de54c9d99fad875b37b484e7c38abf6fe98617a9c7a546b4307ba25740e1dae32d4c98e1216400846ce7804ec379746aa5eac9a54fe0f526d6a6d8fb51b",
    "signer": "0x588BA93B160cE0AdDd4F2509e4c162B06c858482",
    "userId": "762976871"
  }
}