{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "114745",
    "entityType": "User",
    "nonce": "0x803752ce497adb460675519b2671470b544638fbf04828da7a74210622278e62",
    "signature": "0x1f18b60ef714f7f56b10ea80934b1f3df373f1154c9210c4ac952eb7944af13c271008f83beeb8ba9bbae2c0cbcd640e34abf049d30555407fa30390171880621c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}