{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "802401826",
    "entityType": "User",
    "nonce": "0x942d74f01dca47709b59b21d5466d8198238ff65f081eb856fa97aa35376e6e3",
    "signature": "0x2483f529a04be64c5569409a2f00aa87eae46020a283ae42726fd982c94eaab359e5a771a478ae3aa6b45b4a26a90c6f32e8a3185254e154fdfcad6566218d431c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}