{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1713713",
    "entityType": "User",
    "nonce": "0x827c917ff2d65586fa70e7e17ec768564091645c31e8de2c16f3964891fbb7db",
    "signature": "0x19de2fd0aed6ab4e74422c030c72006c67e14b2fcf6a2997335b73e5dce135c32912bb5da1cff28c2c78416809598ad8a6b3ecc48dead0e038e29d3890648bdc1c",
    "signer": "0x6fb79570A836Ea8554ad1D745C12769B22f1e4E3",
    "userId": "283478"
  }
}