{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9ecde1f49e9e5b0602926f20a9170085fb9b838fe744ecde13e60e74e531de4a",
    "signature": "0x69e24db901c23122972149852b5027b2e2083c9406034174b03246e658f0bbb86bb1a74195fbf3932287f1fb9104ab28d63c37c1b1fecf4debadcebba6cd2c591b",
    "signer": "0x8E1ce6Aa9262adA38A31947BF007a8D8358113C7",
    "userId": "460428391"
  }
}