{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbd31eb4f5be3fa46a5a37c3ee618b721d0ccfbced6f97415c104c432e02476d1",
    "signature": "0x920b824c50aa277a7108715da786d49457a22276e7d71d8d7e6e86cf08721df57f2ddfe0e0af3bc634c24028590691bd05a7e175aab97c07511d50d1211732901c",
    "signer": "0x7ce3Dba4B59d8326e3963500D987Aac225865d14",
    "userId": "359892006"
  }
}