{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "165951",
    "entityType": "User",
    "nonce": "0x703769fc3c18abda80c17e9ad461f919502fea2d5ff62ebb2d812325ff98ecfa",
    "signature": "0xc1bb94f7ced81e36b123de4f32fd265acaff8aeede54f9a377306cc2bda1cd3a41bd3f50353e2de777421f180306cf5ca0b8311cd38b33b1b3a927d6028ab8dc1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}