{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0x76a5e188a2d445777040369655628e2c11b1aadbf45cfcfd602e6d63b4bc1dad",
    "signature": "0xe2667fa775d71ba51513fccf25a80bdc30d617b73f46e50cb4be7b39eee32950196cf395f5f82bd0fda135e2eb05716d4b96f8a09e5b13c03594a1d90e6ee46a1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}