{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51617",
    "entityType": "User",
    "nonce": "0x1e746bd459cdf8b095a46eb3fe88a777f7ca3625a7f081fbb37fe00831e709dc",
    "signature": "0x004b822850c6c6894bd07611a0d0550ff6f9aa76459fe62adabc3ce8ffd6694122fa7d875dea657841d6ae592ee9c2290add8f1de4cd58b98d880bb5f1c1642f1b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}