{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1882338",
    "entityType": "User",
    "nonce": "0x4b5ad718b97abe24f92b7bb4fb9d864f525de2063d23be506d9afbb04e1aa22a",
    "signature": "0x54bae73f6f592f6a116ab5bf130ada7cac892e4e707e78d2830268974f9f2d347705f6f7c26be0f90878e405b3a3184a48ca3751b6e339eb18d24e981a4006bc1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}