{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29304",
    "entityType": "User",
    "nonce": "0x527d7cf876218a92b164160c1051cf60694c7c3a65dd215193b15fb4d13c9b2e",
    "signature": "0x6eb050abf7c3360987f5b93bb0617784718a1e4b30f7e90f6ac7f9aa9f87531b3f38132d9e1a5466e330329ba440440f1d6ad4f101d582395b0ce09f83d49a991b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}