{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "358096342",
    "entityType": "User",
    "nonce": "0x524b656c9bee33ea9ebb93594c4cdfd97b7c048ee44335e0035d3d14a4ace36b",
    "signature": "0x48e8387671df6515674778c416dd7d44dc75b92f6c480a6a6f3da430ea032a284fde5f06386ba3c7e74e387a168100edb887e9a18c0ab6be56aa7d4437b852211b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}