{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49180",
    "entityType": "User",
    "nonce": "0x91ff2d1f9787269bd221dc685c6540707a10a7bf751c0526b73d787a1ab44c2d",
    "signature": "0x5af966e27c7fc4de11825a31887c20de1a2a8766599bc13bf46cdb5a028e17a460fed131cb7d7af0350f6e18d3cb7d18f27adff9321229b0b05d6b7f510b862a1b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}