{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51802",
    "entityType": "User",
    "nonce": "0x1bedeb76f32850e4166027d866e4bdf82244174cef724de6d78b571ad38a8293",
    "signature": "0xc1624f8722eeb1cf5983d22fe753bb4c00e56c064bd8831f5070ec9b1b640de2149c4516c17a421ef74fb2688fc98d92eb857ac2bc7c11fe38322714041ffeeb1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}