{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55718",
    "entityType": "User",
    "nonce": "0x7f4bec350a9c5cd00250fda243d37ce99928b0cf3e40a0ab0d8339e5a1d430af",
    "signature": "0x0bae7a1788e78029535942a0a9866ce9226fbd93849efda50c7160641592819760cbc3a5a2fa0f7766458ed5d3b698a224384ef78f48f5390728207edcf43ccd1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}