{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa33b0b790b2a15e555bf3ef88a358ea5d37a70b86d0bd8874b904e5ccf146919",
    "signature": "0xd5fe1a75e164226ec06158c979808b0de67b7aaf96b3f982b93476fe33ef56880829166555beb215cee79e1d8fda98839ce0a53a8d93d5539be8f2ddacb218d91b",
    "signer": "0x2b73DC8eE88deA3a697F6FD4f8137b517cB5ACDf",
    "userId": "895838027"
  }
}