{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40717",
    "entityType": "User",
    "nonce": "0xb60b2f8ebc5384c59d741c0c78ce9d3b86e2bf82b644dbd77c6f013b3f4fb3ec",
    "signature": "0x9b7ef45826a0ef3c988388d5162fe5fb45f4dfa64c11ccbc99ec4caa3b684ec12688055c2061c4a271dcb46e4c9054c68cac87a9af90ebcc484a815c6b6830ec1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}