{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43337",
    "entityType": "User",
    "nonce": "0xa58870559035b7bb32c37443538fe101cfb795b81cf1c5de2f2a0f17463ea9ee",
    "signature": "0xe9533908527f44b1f9ca33499bbc28b79308676a4a5843466ad965a31343d9aa7ffd7278975002123debf7a3e6dbde987f0671ea3bb142546fe5b63c07c4d3c11b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}