{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "66090",
    "entityType": "User",
    "nonce": "0x0791753287858046abc92b39346ad30d69ce65fe78b17b3b3a26ace2f33f6d8b",
    "signature": "0xb04cf4e9c86e3a5ddc94c1dfad68fe098f75934dfe96a71db25c9fa841b6fffb4c958d919a089be421ac74601b400c2b0a7aceb9229be7142cec2a3eef679ae51b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}