{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134142",
    "entityType": "User",
    "nonce": "0x28fb25a7715136217813d8c2ca4d9462ddc43dfc2c4bc9058084b6177e3f525c",
    "signature": "0x156a38e45e455a50e0169a5676d28c9e6e7ceb22b564d719afdcc34dc75249bb23ac78d44eb5ef6f8db99b368fbec9247cc40c09a1b3256426fcca4d6ef312a21b",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}