{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "133953",
    "entityType": "User",
    "nonce": "0x9efed96255b6bbb9dd836b51337ba8cabec4f0e011727961f2c36bb81ca801d9",
    "signature": "0x802f566eec08f739b9220ac2e82ebe38eecc06e1d0571f2560f56e766a8d5869722ffe08996dd668e0b3bb63e400ef5ecc5fd387933c0a6e74ef720e54d319031b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}