{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "149084",
    "entityType": "User",
    "nonce": "0x4322ff87fadce383fa8303517940d206811df74a940540bfc23fbd9e1e107009",
    "signature": "0x4fab46c51657e22564efdd6b23d6aa0951ce51428dc484f99b58851605e7b0d3595a4977d5c4e7db87177ba0d171e09d35242f52057a6dadc2290a5bad048a341c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}