{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105836",
    "entityType": "User",
    "nonce": "0x9927eb2b1b125c07be7078be45c9428a99905c32185cba90a7ed4ecf8c8964b9",
    "signature": "0x5c0f7d6d05d120d54d0dd5e95688608ab6d0ff2ce793eaa5c0d62178476f451c55dadc202aac8392dcd765a8f4c9d0e0d20dceb6bf66b976a07bbe5e924afb181c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}