{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "406225571",
    "entityType": "User",
    "nonce": "0x0ff5fc518f8220c683920f3a481476b88cc2f5d00ed1a035f14b2d6e68fe0955",
    "signature": "0x381bf6921c3a20fa68bcaf4c67f6a08aa749f0e115930101bea5478de9fb88e164692ffec445aa3b80784e4d8f559ce6af8c26d08086a4412810147a63bbe16b1b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}