{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "885298087",
    "entityType": "User",
    "nonce": "0x49557f898f42833bc5db3d4342776366c49910d48998b34d1725dec3c62984a7",
    "signature": "0x18ce4fe69bc84c472db2d3ac12d2823458488470bc82576af14ed478a52ae6437581aca5933b742801b059602ee01e86208f2cc871b3ec4f699725dec0e25f701c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}