{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "460147282",
    "entityType": "User",
    "nonce": "0x11208e7676562878cdf8c85c2b0bc9cdd5b7b0fef6aceebae2851f820f847071",
    "signature": "0x9582692f7713e728c73fd356a7030e6ba392fcc642e3f084222c81a022aa11b261842abc432bf0e22b7987c82c47530ed3488d06676d490c90a2af3a91fae90c1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}