{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "433011689",
    "entityType": "User",
    "nonce": "0x2e27168bb9bf989828bf209f04c85cd92a95fe0a65af6aea21fee44e990de25f",
    "signature": "0xfd3f17039acac74f3e6531c3d84a798e342b7300335b216efd5662039b2c4d611320171dd4f4fccce1aac862a3bc0279b9f01f4e413a6b5ec061fbdaa69587ce1c",
    "signer": "0x208B3371AaEd5AB4312aa27d39781a09F79cbDc4",
    "userId": "980080272"
  }
}