{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "137611728",
    "entityType": "User",
    "nonce": "0x3459af54d4fee26b9bf9e0851be726de9ef7adc4ce10a8e6a610424e1dc55b56",
    "signature": "0xd04e6cb54c26886355cb3eb748c19e3bc7df0857973bcf4f107e62376ff19b5c14580812b517f68838a2c4e10711070a49d90167613507221f2d37d9a836ed001c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}