{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101487",
    "entityType": "User",
    "nonce": "0xa9422d76f7a0254d76fb8dcb1d2673a2ec53a715f36fb0d033b9f8c534c4b964",
    "signature": "0x5e357fbfbfff80f74ffb3c74562fb8bdd75e5b9026f0203b19d126c50fba8528198ef13e1a5233d38105bf05eb92332683626503b23bc520511d513568ed4ce31b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}