{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "173313",
    "entityType": "User",
    "nonce": "0x67edb403d5f3b3df48aa3da6db1cf318363586c3393626229005ebf7012d67c2",
    "signature": "0x6da29e95462b78850fca2462e128e18aa6a755b1da9ae56ba314cf6ce454159012f7ea6a0d7564adc826e84b67312c5ddaa6c1d9efd64837612ffccda726a4d61c",
    "signer": "0x63762Ba099c2247aD3755af8aCb1d62705f0D5CC",
    "userId": "851444561"
  }
}