{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1687304",
    "entityType": "User",
    "nonce": "0x4815fa04cc18d097c4c0edd4ca449c662233cc6641d27ee55067da20c3c2b914",
    "signature": "0xa6c32a5258b96595c0afb4850cd2925fb01febd5f3eb3232c8af5e5dcaa1eaf77c4f3754403a2385ea530d73f11793c15f5ffaf7b3f5ca36bb5b69122108c5021c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}