{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x2ff6cc8ee7804c7b58d70aec3454fe4a3a3db7f8a75ccc5d13ffb4e4dd295564",
    "signature": "0x50c442415841693711f6d6d4dfe4029c55734b93ace61965cadc50574a3d2dfb47d5f1d97a7accd1ed3c7176b4ac22bf0a2c3ddc8d138c137736dd10e0f76c521c",
    "signer": "0x03eBd76f03fee1b68d042AE492e5168848BEb443",
    "userId": "180170571"
  }
}