{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67658",
    "entityType": "User",
    "nonce": "0x89f0b9077a6b64568b9074f713177ea36ee96a44020dec4c5d87132414900760",
    "signature": "0xf297a523efc508f3f2a5356c5b8e3d0b3beea76badfeae1bc111bf067413c81a3ec049f7158c1878f56ee70590ecef3b4a205c787bb44d8f0da8e8f344181ef81b",
    "signer": "0x03216709b3C72cC48C8Cbd8E8100689b00Dc5b63",
    "userId": "530432949"
  }
}