{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325347",
    "entityType": "User",
    "nonce": "0xc5547b69a38617ff6338d73e14aec7b6146ec9b7b65447d45d6b51aa55533024",
    "signature": "0x12b7de81a1dbf32b10e78c1a31fb525faddefc5479c026b085a877136d58d01b5c81f960a9a9798f1e85151613d3478281e83e03e2849ad9ed44dab24073ba401c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}