{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1996082",
    "entityType": "User",
    "nonce": "0xc540c6ed74259d3ef9c3fc0a4a5255499734c65fa9c785245cf636dba2c5b2d0",
    "signature": "0x35745fcf921913e503543e50bfa63a138c27cc2757d2a0c41fd405e467c258fc68f7623178f9524c9ade83d495ef117f051e67293d839ce519a8e1092b5301501c",
    "signer": "0x672e9a41a6b972AB2eD6BEB1D4a6e4F09dA4C9F5",
    "userId": "302680854"
  }
}