{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0xfbc831bcfed60401121fe80385c39536ab16ba74490e5662874bbd3d3959d075",
    "signature": "0xf3e0683040caa90dba9f3939d5c9197227d96b35deb11e28eb14078ce27d49cf72eab7dbd9fbad1a02027566e6e17be06cf79dd70e20f6446a8fff4393119f761b",
    "signer": "0x39788E2D020D54760872178Cea0d5AF12732F02D",
    "userId": "720903941"
  }
}