{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "137353",
    "entityType": "User",
    "nonce": "0xb9160656b844e63f85b2322883c4d391279dfafa1e92b7c54bb6a4751bf8bb3d",
    "signature": "0x16c6d5961d8affb2053578d287244f5210152832ab2fbf151cddbe79823c553b35a9dfb8d81fde5a0193442059aa97cf0dfb56ad03ad7eac2c3becd713807bf11c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}