{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "266316",
    "entityType": "User",
    "nonce": "0xe86e8ced7254d4b9044d0caba9dbfef30e19a4ead688c7f5d12c22eb13a23f18",
    "signature": "0x76c99023e17ff75b75d8b0deee2b101eb38f4feda2f380a7aba96448b210e2631864359d6189b55d0d523081804062278079edfd0268550d365ba7719c5633ad1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}