{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "208015",
    "entityType": "User",
    "nonce": "0xbc5795582287b0b44533b5cfe2bca2e13315e4689f06da0e66f054dd004b99ba",
    "signature": "0x989f38359811247b31c81cb4366291077101bf3a1dd46e1e30623bc79adbbdbf4a1383f01a614b46391e1dc67514860d4117af478f8f4f2fd8502ff2e4c955f91b",
    "signer": "0xeD456650e887E16A8C17b2e80540dC4fe5884E4D",
    "userId": "730174537"
  }
}