{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57636",
    "entityType": "User",
    "nonce": "0x4098612b778b9b03903873350e7014e1ce9854d5e20825c083319c996044b3fe",
    "signature": "0xd94e6a8b3a979d897febc2a623439e26584d748e5e57dd85da61797270cfa27a14929f15ab3a0362d58e9922e2cace11428f732d89142f564285028b65825afd1b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}