{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89655",
    "entityType": "User",
    "nonce": "0x3594b1e425b4f3dddd08b631b144e873307267f020aeca2af5c0c42b73b5190d",
    "signature": "0xb6853729a589cd9998471c04b00df6751d69ea7a20959535f9ec14f0182251613e2ae315aba308921a28dc263c31fd2b1b1ba61fef706be922fa66d090bac8821b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}