{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "36543",
    "entityType": "User",
    "nonce": "0x44153a87f3023b142b47da8ca304a7f16336b54100edae0a3168f77932835b47",
    "signature": "0x4a2af8f82501789e4b1f9d8c2cc9897a5d669b6aaecc7a6e06f1ff2fd06d39552ad856d036ceb965d974fb083343e710432f5d9c0bec1e77bf1be400eb6587781b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}