{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20779",
    "entityType": "User",
    "nonce": "0xa6ffa0d2897bf207fc18da28dceee5a3f3f905deb705c158f3557aef06ce6d13",
    "signature": "0x7ae6cd0b3082e13704fe238ff055d7be814dd5b5dc12bd046d4f5750592fe0b4328236610b0a9f9914eaf5f7601d9fa4d5d0deaa9b94c34731026ee409fba4941c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}