{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x011c8bd61052cf175a73cf463eec95d5a1ac8450aa3fb39f0e4a3bbe53c802f8",
    "signature": "0x9a5da1c3a13736304646386138832525f66e9aee61ce2535b97b691fadbbf1c2317e0d1ed3617fb2faf4a9693aefa1ec452288c5d7847a2f111b88989e065edf1b",
    "signer": "0x7FCffbc9FB7516A6453F59c5b9918Ea8A7EB33eb",
    "userId": "502388335"
  }
}