{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "933842159",
    "entityType": "User",
    "nonce": "0xd97175fc8648492947ce16611bc5d5892a921ad43c8b922b28468557d67d2047",
    "signature": "0xbb089104f8a2e3e650c93a1b4d794876e32628e46bca7d15a7b3bcba0651f7802533300b2213447553f2db70f25ab64f2a72624d0d6b70dae6208a92e2bec23b1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}