{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "925049268",
    "entityType": "User",
    "nonce": "0xb9d872723bade62d9d5a3e639131f830bba537b4ae4127594fe603c0f4cc43de",
    "signature": "0xd7f2bdb821c58ce0e8a01faaf8dc31509496ccfe99518d7046c7fb33ba0ca9440708dcf4b0b7cb025141dc6e8890286cf3714ae813bf6b65be6b650c292a415c1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}