{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317761",
    "entityType": "User",
    "nonce": "0x517a81f0cead2eb202e3af2ef0d48146c5ced8c753a954764e09c6c79a49b3f7",
    "signature": "0x94293fadd1c5d0c6e44d0494e0857ac49e7da4b1cb4d0fb2645a63fa9858a23550c3a40037e8aaf5fcdc61355c4b35b85c02dcb1a1349516771859395619fbda1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}