{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1436692",
    "entityType": "User",
    "nonce": "0x9a443c4666384ed1fc344d1ca307765e4fd75cf1fa629cb265474c0cc70bf5ec",
    "signature": "0xab86c7a306db87da8ff5af60d1ea4b14f24428e55c0472fd1eaf9835690e9f1b0bdc5deb0c51aaef9b4e443a3897b592cde2765a58de660a0c8f8a537fbc68111c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}