{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "338282108",
    "entityType": "User",
    "nonce": "0x9d10efc5dbe18622c70c622d43d087bfbdb0d3bb0c4fc11b1f8965cb31b908c4",
    "signature": "0xa7c98965d1a51d7591568a0607574467cd78b6fd9650a78e7b8f96fb127590006c9d65d6f3c0e119304a1e2a740742f69d139b24cc01a9a3c348e078a7c103591b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}