{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157856",
    "entityType": "User",
    "nonce": "0x799018a7a025cc2266bf8fd928eff02af2cfc5295c8ee03251c779dc4ca683cb",
    "signature": "0x700c00a07ae42a787a14042101cab5f9f65f56e65286e03366b585ae4715041f069d826b8452e84bd26aa58c33ff9aea0a4d6126fd023c4021dc85e8708152311c",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}