{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xf63463235354a2512d3e5895e2a7f46a7a57450758a83f892f5a1db9bcd2c003",
    "signature": "0x61df42927e82fe099354e5ccad03c48a27642380b9a6badc5dd634e789122db557a03d9503409b1b437ed2045b39b9b1c56873356f2f5f6cca7a22a4d24bd9311b",
    "signer": "0x515E64f3513F6374A2fe259cFCDE4D36146F7D7E",
    "userId": "266182258"
  }
}