{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38537",
    "entityType": "User",
    "nonce": "0x8ce1d9627a3421a747c9e0905d1b68884558ab6a37d30e1a9a3c522d50943711",
    "signature": "0x69b68e478dc759b936cea28b1d98e4e54170e37e224d42a37b93b727d87b13415375cce80587355156094287a2030eb583551ad2397291bdb2de791dac193c121c",
    "signer": "0x243f92B83d056f818b9b95664A8B7A86805A3E71",
    "userId": "111448"
  }
}