{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "171206",
    "entityType": "User",
    "nonce": "0x47dfa63e87ae2c6bf29f9338a088decc81a06b4c01b7f92ab2bcf0fe37cce489",
    "signature": "0x08bbe14227d5cc22aa1aea356ee3366b028c5b16892591ea1716ccc56cf8d9990e46ea550ecd0dc6accea059baa862d9d2d920882ad0e9e2376391804454caea1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}