{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0a1ea4bd4493558130d5b5ccd055dc1c979481bd333dc1a189fe5ae94fee2fc9",
    "signature": "0x06d082da1e469b2064347e3052895d2e707403c2e35300b4f38e5845b1e7b0092149900a5e7b36e46f430fac8cc60c6c55a6aa5f8d220cc11725116d709c297f1c",
    "signer": "0x3F1f3d8789DB971BfE67B17a0383797847Fa856C",
    "userId": "486741295"
  }
}