{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74182",
    "entityType": "User",
    "nonce": "0xcf8f23635751fb5b59ebaef9ca739ae769b617edd52eb4d474c9dcb0aec8b131",
    "signature": "0x08d588ade45b7233f2173de3d2dad4dbdbcc196dc068c5d336655567c1ee208a31d1fef464c65f113dac41f7ddfeac4eeb8c76cce62c9dab7a6e7db9953f0dbb1c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}