{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "770725415",
    "entityType": "User",
    "nonce": "0x5fdd34dc51b24fdf829c35fef9a8c011022cbfd1e699c103f19b82e02b6fb536",
    "signature": "0x6874d8c077f430d247cb79db1aa70b3a970ee72e36b94bb9a5da25dfe7a45d174112e76915d5e46078bcaee558d3877164807ffccf071d5c2bce3e7956039c961c",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}