{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30319563",
    "entityType": "User",
    "nonce": "0xc62b0359d0144c0f6a0928b54a497cee0e0e91b5999b5b05c0d70736f14e1ce1",
    "signature": "0x6e8f97624f8911cbb65168140533800f2131575c34b2592f70b2b5fbae8450a202c57021ab3e43ff5017c7b26af80eda1e72931a68b6f49f0c5c95e4796b3e0e1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}