{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "846884546",
    "entityType": "User",
    "nonce": "0x297595c5de3b155e47a102aa4d763fb61d4b4537adc3065c93bb9792e972a659",
    "signature": "0xd62ddb575ace7ba6c8382470784e8f346596c7b49a3f0761c583d3efd3b113e95fdbc35341225d35378829bc465a9fa418fab0da7740a1722d928b09de7e52f31c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}