{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147070911",
    "entityType": "User",
    "nonce": "0x75e1946d14d8f85bc5cee940f807f651e4c4e6a444eafe8a94ccf2853d3297a6",
    "signature": "0x4c8adae8a256ef6249143a5ce292fbfbddf81e96d79d1b78f8e25333c248d946276da66943f38d03d96ea513eb3670e6ab5b0c6c58948bec4a4d2c1726b7b41a1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}