{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "240171275",
    "entityType": "User",
    "nonce": "0x11c1fbcd4f0f9a82a06fa5bdfd96da49946419554fc862e40749889e179ef952",
    "signature": "0xec9b1f9fea2bb367a62570cb7136d67f66de419f65067ded97b46b5d1381f623382db53efbba7fa80c763948ffb23bf6f9e76e13380bb6f67971a14c9bd452de1c",
    "signer": "0x95011e4Ab73b2259EeB1245AF883c5c5BF26267b",
    "userId": "444908523"
  }
}