{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1880847",
    "entityType": "User",
    "nonce": "0x86641f0f843772d81e110597f25de8932528d00aace2ca0be3452ed3d4447952",
    "signature": "0xd1f44c2578e259019e7c4e88137e0e1f517790d88d7484608b0a9e0f7dc8e10d305e1e357bce513aa74998da00a919e9007255a33fd687a1171a58b457bd26451b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}