{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6456",
    "entityType": "User",
    "nonce": "0x8a49eedd8d3ab4f2238a7a156105367c751ddcbf782af280076cc041071bda13",
    "signature": "0xeda15b0e554fe917b752e6d00871c0844f99436fe2c692610ef4027c8ae596ef5a94733bc8a5949d6282aacdabb2c6ac8501b10f45a2c268b63d85ad36bcc32b1b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}