{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x50d45f71b906c9fd55af65ff6a6a3d1816d5ca13410b357e4b311fc85adf8baa",
    "signature": "0x95464c0b6eaf12d9c5df0c8221ee2923d0093184590b2ff349312d9e74c0bb606e14c6a5276fb31e0fdd8edb24b40be410b471efc9b24c072d4e1d4d25d25ba61b",
    "signer": "0x29EEda1E7eF2d7C7B5dE243F5b7de53F1E2d23Ff",
    "userId": "817425333"
  }
}