{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937107046",
    "entityType": "User",
    "nonce": "0x0201af72f1e99c64a2357538b886ff7179e95a2a4491f63cdd86bb47f85bc6b5",
    "signature": "0xc085dad0d2ed7e73a321cf4acfb5ce2ad2728d422073a41b91d3237f38b17c004fa5ff66c8663b2382b5caed3020ea52205748614915716cf3c4445b00ae9c1c1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}