{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "261134",
    "entityType": "User",
    "nonce": "0xf15feb7cea8bdc12676458adcca6f6c1e90344c8f523831fcb4a88ea1d6e4578",
    "signature": "0x194d05c8d366c84d0288cfefd47173203ee2ebbd2c7c7256a8cde1cf617b56c067ebc6db302de5074134f1e020852d5788159c9bbda7f91113c512344f74dc5b1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}