{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x7dc1caa7cd50b7d3a4c065c2d67ef77579ae8e4c32142b4eba4d74d8c8e64527",
    "signature": "0x16b37c4cefa72bbf128ed707cfa3fa9d4f383d580686f1136646cd21b414e7874ac2e508ef39d5b869dadc8fec4fbf8713396c6bdcec132bfb81345943dde5d21b",
    "signer": "0x6CF29C21c9C0b405C773f3605658C095Af4c28EF",
    "userId": "950485788"
  }
}