{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "116766",
    "entityType": "User",
    "nonce": "0x42105a9eba3b56cac5f2c2aa4eabf56a2af6780c7827339e50bf81a70376b430",
    "signature": "0x5750df4bcc09fb014b00aeed77f4a533ed1dd4069c0495efefda3832a1abee1f68d0e6cf227404d3bea28765562affbe3f833007da3176604253a9332c8d1bf41c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}