{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa87df66cb94c3cdf9a328ab9e595dd960af1ce4e67461f3a59e3ed2eb809db68",
    "signature": "0x341724994b87a9f7cae76e1d5f79d493fa402db17c4ae54910bc4dc0bfbbd7d971478627cc4e4913f3741f57158c1709bf208ddb3ca8425f277587db8e68598b1b",
    "signer": "0xa6824b7d42a5c90A56381f9db082330fDa97C6B2",
    "userId": "624859599"
  }
}