{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb2a614861f6dc794176adda9b121eb21bb64f932e50fa9f0cc120ff2d76e104b",
    "signature": "0x00e20ea23350a0e1528288eabeecdda3acbefe904e4c4bbfe37a16aec839d20316a6c3413883ec9044d1148412acc09a350b9a3b48a99772175fe6231697e6271b",
    "signer": "0xFfa6D9d31fde82a11b813113Bf6508f95D22dcc2",
    "userId": "48292657"
  }
}