{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40651",
    "entityType": "User",
    "nonce": "0x52d98d6527da5c746897bd05bc7c05fcf2815c75e26ee1f1ea44ece2ca8a4b27",
    "signature": "0x516e82bfab8a7ad6940b1947d617b90b415340d5feab6527902923d30ed9f73a35b984bb384428ba6242dca7d2f39152489b11bd31ce5acf302384647505b9bb1b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}