{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1283805",
    "entityType": "User",
    "nonce": "0x6bb034a68c22c7b0a932c77f026165113996c5c5c9a6d155b21c4d0feb14c916",
    "signature": "0x196636acbe2fed1d7bea0b4b76c441a1d7b3a8142786263f600c4892b4c09c481fe03c3d8fc228824e4cc74d552a0a152ecb61e8ad8ff8998a06a473398cb5d61c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}