{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51295",
    "entityType": "User",
    "nonce": "0xd2c42d91d34ab9f1070b7595da4fa73bd92d85705c98b094f72565cf7b06818f",
    "signature": "0x320026b1305dfc1126c3d70eb20172c145501341faf374e038ac96907235f7570dc7b70e82b46e33c96c9ba2d92cf8a3893a1ea5919eedc3a1defa6f6f0c59851b",
    "signer": "0x03e9Caf2aeac5a0F0e4Be56410d67A4148D38Fd4",
    "userId": "47828528"
  }
}