{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "727223684",
    "entityType": "User",
    "nonce": "0x0bd1ede0840392703855091fa5e37e15f3fd2df30ca0c97824afb5d257f9e595",
    "signature": "0x0244d606b269dec05b7421274d41b91ab64289c11284d500f124fd5da44f76dd3ba75122c0646717f1b89934b0cbfe6fb6bbb548fbaf4604a91b4b852df8542c1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}