{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73513",
    "entityType": "User",
    "nonce": "0x084f0ddfa494dd09b0799ad9b54bac2587ef0c82a96ef61985ad17a22a9ae47c",
    "signature": "0x9a249dd4dadf9578ec9e020294828a54bf9846fa8202d1dcc56af64608897fd815d9fe54bc55c50b478dcb39c9bc4dc4a6df264cda54c5ffc8ee44bf77c00acd1b",
    "signer": "0x686Bc6B6feE40A52Be47899175f284eECD2aaB62",
    "userId": "416057557"
  }
}