{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319565",
    "entityType": "User",
    "nonce": "0x71a3567ab58430fde3e367ab4eb45cb00413745b0f5c849fa5f895ffcb88f0f0",
    "signature": "0x76b0cc65acf0d1f368c2df821a4411757121da0a54ded38e48e1a22ddf92d14e60515fffde350c033d4106073ba0fa07a7e5f2eca79dce8ebb7cf788130a93c31c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}