{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956403",
    "entityType": "User",
    "nonce": "0x046f7fb7b02317652cb44177d768d192c3f10d8aaab597a6b108d3303b533781",
    "signature": "0x11c90989e41441590b01c2ed3a230608ae43987c0e1a6882367c7a864f7ff896259beeb352e516d8503c3b014b85c116d2f4a411c5c6dbadd6419a13d65102361c",
    "signer": "0xe1EBB2b0eed447a94b95294C357cc71235152A13",
    "userId": "888593291"
  }
}