{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "315989493",
    "entityType": "User",
    "nonce": "0x579b2cdfe4233285bce48b0fb74188bff6810db27b85defe7279e196eb0a151d",
    "signature": "0xd73bb204852fbec4b7527b90aa500df513739c5ca161c74df0e630916647af967536d7456aee32d7596a3ffc3c332bc0bea021d472c25993ce83e31016b7ea5b1b",
    "signer": "0x75387BeED3d3B040a54C3e303fF0B07Da67a9186",
    "userId": "223536026"
  }
}