{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101876",
    "entityType": "User",
    "nonce": "0xc755778c54aebaac3184ff34c00ef0e1527e42cf0ac8d87b9ef4d3f96338e174",
    "signature": "0x9c9399382bde65788718ab20bba9ffa1744432990729f6270ab9b7e6ed0306f30f70bbc5cfc16aea7f8e617372f54aac1fb45780975baf2e7aeea0146b9b60111b",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}