{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "301606",
    "entityType": "User",
    "nonce": "0xe218489665e746a77e5a38f28a5119712597381e933ec271ab222fa494bd0404",
    "signature": "0x396576244c40aa2adb11edd55308e8a918c2bd2c3f2b8deb4b4d0839a1fd2ac54f3552bbad8b0026a4989a735b0afd0fbcea4720c5550d7ffdb7bac10923c4731b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}