{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3222",
    "entityType": "User",
    "nonce": "0x181870b273e2ce2a64f66c37e6f9af2fc74ef32c513ad9ac09b62d313de4458e",
    "signature": "0xa996eb03f076eb0f2ecdff52a09724cae4255a3965d1cd735fff71ceced524d178056514681b52b7945184d3520c90d0ff9f968961d4f1cb203bf4e200a8a9ba1b",
    "signer": "0x49725020a21cF6A928575eE04a5506771Fc95916",
    "userId": "908506084"
  }
}