{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf25c4514d2b67d587e44905f42399b18ed2ff123ccddd068e078574d4568d447",
    "signature": "0x27ef464342376daea7afdbacec77a6f2d8988373a7975c8d55cfe12a771d93cd149e8099f90065128adc6c31ab2e21fec36d0e3f963ae6b4e407ba5a2673c7501b",
    "signer": "0x62CAC8F59e0dEfdDd02A017bf9D73C01Dd9f4a0d",
    "userId": "633359681"
  }
}