{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "682798637",
    "entityType": "User",
    "nonce": "0x7f04c93e3307fcba2c5bb49405f6ed4177bc7a9d6e4d1e663fcda755bad2b299",
    "signature": "0xb14af832abdcc19da08516174109354ab39291d2af0a90ae7ccfd042035abf5c523cd0d2591a2b025f0fcaa81ae00f99275b63ee7959fa479c22f56ba6baad481c",
    "signer": "0xf03E2eb658f4057Ea4255CF34BcE6009938B86f6",
    "userId": "904522318"
  }
}