{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8805",
    "entityType": "User",
    "nonce": "0x1320fefe16ac958a1ed9d2f8aa01889bcbfe6084b58c6381968ccb92275a057a",
    "signature": "0x5abdcf5b67d09b1ef8a9fe473865a89188f78b40bbe6f8253429b3a7db014a5520435ae2b3eeed80a7ad21d5fdcc41abd3e86bfc762ae4bbe1f7c2dfae7d89c21b",
    "signer": "0x3CE226b3CA677B312E9396cc48d4008c70545091",
    "userId": "550328673"
  }
}