{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64142",
    "entityType": "User",
    "nonce": "0xc8d6748a8ad773e563f3471cce1846371c6d089bbe1414cd7506cad5003e311b",
    "signature": "0xd338849dff5dc8fb567305a537c355cc9e4db690213ec7b22cd9fd53024dca5e619b74199a8c3ad0b6906c20ab7d6e2cc82b6987a3a062979eecb6a58a31628f1b",
    "signer": "0xC3B8Db4fD6b5608e625Fc02e4e8B7a274B7dB687",
    "userId": "110486155"
  }
}