{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "45162",
    "entityType": "User",
    "nonce": "0x578787b2aef64a970a013a922d82981544998bbb35a960f67cdb67aecbba04d1",
    "signature": "0x26b9bc41c9ab622ee62c41f09751dceec9eb4a26e83631a843e0f12b9929434f6b292884236e7c2d60f9575a0c3fdaeae84381480172e76d7a7173bf4bc61e5a1b",
    "signer": "0x4cFd9635b74edd6514FBb781B9C920be24A36AfA",
    "userId": "376830101"
  }
}