{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "313074",
    "entityType": "User",
    "nonce": "0x0b878900292c3babf47728fbd35af8d9e32c9eda9ea228f3d2a995d654108ae0",
    "signature": "0xd661a1ef013bc49b5f0d667ed269490862bf05b8cad91b9b1f4f313067655e9d058e778bc94dba33970ecc935d0eb92ef02c94b8c92d2f3ad803a97d1c1545cf1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}