{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x4e8ef6667337cca9bde5b313b9a7a2cf33efc9b6f9f8614e797a1b05131f2672",
    "signature": "0xa72f2d765d4b5fd2f3265f906c22e0b0e0c29011f98b69c328393f1468b25e8c008214865616672c5dcaa00caade3d2e7aec307c4a387159c9ef59b269a59d911b",
    "signer": "0x2Af2AEeE011CF6bCc6c93622Ac4577ae4b2Bb2aF",
    "userId": "856700503"
  }
}