{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9a6b182830fbb571dc2a26c2aadd7f4058008b96ec1f39d71a0956e9def9d838",
    "signature": "0x71a068684a9d3d0120b75fa234ed8e818af1a696978d82446cdd6d7bee514ba57e193f27a021eb094f703ddb7d128c87b8e5e3ff9ed85154e6636824c6e4eac81c",
    "signer": "0xcB7c31f96F59B78c8bD7A67ABFc434D86Abb5f83",
    "userId": "717658665"
  }
}