{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "159460377",
    "entityType": "User",
    "nonce": "0x444f6ec42ce1164d5bef5e599202a8fe735351978d57ebbcc69eeb2dc915b753",
    "signature": "0x77418e53eab67085c52e88c4399c08db8fd463c90af41eb48790a59db29a5a0e51fb006a3f6addf0c774f4fc50a84eb64328c5adcd792675f54786eb1a0000201b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}