{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2703",
    "entityType": "User",
    "nonce": "0x5e3cae3dba528e484639b8a4519433443eb1492cdfa22b16b11350a6fd92fe99",
    "signature": "0x7fa7c5730f9b825db90b44631ce86857480f9c54ce7a5b4205641a15d4db96b34e1c154cfe0dec20ead7fdca6c4810e92b0cacad165ff42639a58d16e0a2c1c11b",
    "signer": "0xc0eb5f95d39a97b110D5a2496DB113549a9ffDe5",
    "userId": "349849202"
  }
}