{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "846530738",
    "entityType": "User",
    "nonce": "0xd121e96a57313de89f0b318e776fbc409dc21509e7f314dcfd5a0b88efa8f11e",
    "signature": "0x4045692104824f1f40d67c7a7858ec31f943322a44b3972a66ded3beb30af4c5236b2d2f6322b678a8aa611a6bf944b3198d35d270a20c01901214b7264d879e1b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}