{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55198",
    "entityType": "User",
    "nonce": "0x6495dba7ec83c1a7c118e683a8877152d1f357fc683ee5509863b26762cabef9",
    "signature": "0x50c3d8f7b016ccc222d7c0038d65eb0f5fd80b2e72a900d39510ffe4621f005266d25a7f3dfd4e13d51dd7f0b7f7a19cdcbf9e1ad8a41e2d94bcbc0216a585801c",
    "signer": "0x71114Ff581aA73d1F4b6429D7713914f10e8e90B",
    "userId": "894513731"
  }
}