{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3e99abc9d29f67525277b0020fed883125a0255baf729a1db4f43129caad67f2",
    "signature": "0xbe3553767c829277b2a370f4f43bd9683a928ea7d9251d30bfbfc665aeb099391ebbba095b9a7e0e3794f05d0df5a2108e8942cc2b9f970e70e98fa9eaffaf911c",
    "signer": "0x0598FC797642238bFb08593189CB8B4b21aFF411",
    "userId": "179352401"
  }
}