{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75085",
    "entityType": "User",
    "nonce": "0x96c2d34564e4e4e24c81ca5f4e56501b02be1916e7b8ff168ecc2fa5db670616",
    "signature": "0xd9c15b866b2d202451c9da10c4f6f9016f96880e1440312919c67a9d4ef670a364f6269fe5e7e08e518eb89086f2ffa1136dc46eb231b0d9eee0e654aa95d0d91b",
    "signer": "0xC965eCf215DC75172bD11e8E1dbE76EDd838886e",
    "userId": "260849"
  }
}