{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "926810842",
    "entityType": "User",
    "nonce": "0x14afedc090c33086f5ba5fe3aa113a735d40fe94c6b2ed4d8a79f22b68550e0a",
    "signature": "0x4afbc0aedeb1dc36bc290034caef18fe6509dad6a818020d4a2a3e88af743e137fb5ec9c5e2d988f67ac906505f8ca35a1521efc243021b942f2edce776620681b",
    "signer": "0x9149C438b2FBf68d0e846EEfE2E6B19be686Af42",
    "userId": "843"
  }
}