{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956860",
    "entityType": "User",
    "nonce": "0x7027ed2cd432844e1b98b0c328e8d091f98d5d32db2059730d0fdc6f33cf27e2",
    "signature": "0xb0db482b266ba931aa1d266f391b3a537185fbebcba26e92e4c57c238ad45a6f3766b0d3dbe7dcd71bcc77767113ac04e3b413017bebbad83e13e897da8df26c1c",
    "signer": "0xE726D55D6940a70995Ce9D8aa1aCE76FC6f4f544",
    "userId": "285113781"
  }
}