{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1959359",
    "entityType": "User",
    "nonce": "0xf5bdc76d5a848ddf0bded4ab8e50442f394f297692a80397de2c0c03114fc9fd",
    "signature": "0x81d4ab8c15748e6350c08d16674963c78b13dcf8cf1b01f5e31e3ea341040ef16a2bf4cb5c3b003e5ed84a0aef901e4aa82383d6eba4c03743cbfd62ce87682b1b",
    "signer": "0x7D6D9035aa24159A11b756872c46237Cd881A110",
    "userId": "892995183"
  }
}