{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "119499",
    "entityType": "User",
    "nonce": "0x318027195a0ea2cf61c7dec318b1a5feac65317a6ea63b61d96b4c99372dd141",
    "signature": "0xeada5b075c11214dd3023bdf72df0f9b7c49fdc1b2a21a0c7a6bb1b2230df0a04d0b6a5b8fa22a04159f44d9b504ee7411157d786dfdffc4bd10c8bf6fec93791b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}