{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "933148862",
    "entityType": "User",
    "nonce": "0xfe11ede71235a434c76f7aac8af97c784400fa2ee32b42ff44795725fd370412",
    "signature": "0xda37e7ebc25a5e54640794941f6fd3ee0aeb8e11e1d5e4d2c592f5ed0fedd27760aeabac8b0fdbca4d92fa5b8b7f2ee3d6ccc4a02b643306c0621db46dd4d0891c",
    "signer": "0xd489B786708CDd8661b152CFF27695dC12c8c0C9",
    "userId": "647391197"
  }
}