{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "615176332",
    "entityType": "User",
    "nonce": "0x8d82ce23a32dafab207425a6c31da4d7a5a35d6a4e4bbacc12844e937247c24c",
    "signature": "0xd53aebb7bb58ed114dd755e0226c5d1e608985cce37edad0607ee10ce462920f36463dfe1649a69eca04d28ad309004a9307e2706cea3317c459d29002c89d191b",
    "signer": "0x1ABf6DD41fe1E6b1C2d3A69859a25C92caa31b32",
    "userId": "17689"
  }
}