{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "107782",
    "entityType": "User",
    "nonce": "0xc822426e98596e8c8e27fdf1a5b2b7f179581f23d267e42a326e67c69b5e6967",
    "signature": "0x4c92c531669ac2e23c6cab4c35d2d6f08c49b7468121f86cf10c8888fea1a42f681b7d7013c847b330285fea3288aef3c89f06fa29ac6015cb44dc6f524d07031b",
    "signer": "0xE726D55D6940a70995Ce9D8aa1aCE76FC6f4f544",
    "userId": "285113781"
  }
}